\begin{tikzpicture}
    \pgfmathsetmacro{\R}{1.5}
    \pgfmathsetmacro{\r}{0.9}

    \tkzDefPoints{0/0/O_1, \R-\r/0/O_2, \R/0/A}
    \tkzDefPoint(270:\R){B}
    \tkzDefPoint(80:\R){M}
    \tkzDefShiftPoint[O_2](70:\r){C}
    \tkzDefShiftPoint[O_2](60:\r){N}
    \tkzDefLine[perpendicular=through A, normed](O_1,O_2)  \tkzGetPoint{a}

    \tkzDrawPoint(O_1)
    \tkzDrawArc[thick](O_1,B)(A)
    \tkzDrawArc[dashed](O_1,A)(B)
    \tkzDrawSegment[red](O_1,M)
    \tkzLabelSegment[pos=.7, left](O_1,M){$R_1$}
    \tkzLabelPoints[below](O_1)
    \tkzLabelPoints[below](B)

    \tkzDrawPoint(O_2)
    \tkzDrawArc[thick](O_2,A)(C)
    \tkzDrawArc[dashed](O_2,C)(A)
    \tkzDrawSegment[red](O_2,N)
    \tkzLabelSegment[pos=.7, below, xshift=.3em](O_2,N){$R_2$}
    \tkzLabelPoints[below](O_2)
    \tkzLabelPoints[above](C)

    \tkzDrawLine[dashed, add=1.2 and .2](O_1,A)
    \tkzDrawLine[dashed, add=2 and 1](A,a)
    \tkzLabelPoints[below, xshift=1em](A)
\end{tikzpicture}

